 | This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
| |||||||||||
how does 3 and 4 perforation work
- See Negative pulldown. Girolamo Savonarola 06:42, 14 May 2006 (UTC)
| This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
| |||||||||||
how does 3 and 4 perforation work